Home / 28,476.96-42,699.44-11,825.79

Finding the Fourth Proportional to 28,476.96, 42,699.44 and 11,825.79

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Solution

The fourth proportional to 28,476.96, 42,699.44 and 11,825.79 is: 17,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.96 : 42,699.44 = 11,825.79 : x
  2. Step 2: Convert to fraction form
    28,476.96/42,699.44 = 11,825.79/x
  3. Step 3: Cross multiply
    28,476.96x = 42,699.44 × 11,825.79
  4. Step 4: Simplify right side
    28,476.96x = 504,954,337.93
  5. Step 5: Solve for x
    x = 504,954,337.93/28,476.96
  6. Step 6: Final answer
    x = 17,732.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.